diff --git a/spring-tx/src/main/java/org/springframework/transaction/support/AbstractPlatformTransactionManager.java b/spring-tx/src/main/java/org/springframework/transaction/support/AbstractPlatformTransactionManager.java
index 5a11d8f220..3617ca8c48 100644
--- a/spring-tx/src/main/java/org/springframework/transaction/support/AbstractPlatformTransactionManager.java
+++ b/spring-tx/src/main/java/org/springframework/transaction/support/AbstractPlatformTransactionManager.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -370,12 +370,7 @@ public abstract class AbstractPlatformTransactionManager implements PlatformTran
 				logger.debug("Creating new transaction with name [" + def.getName() + "]: " + def);
 			}
 			try {
-				boolean newSynchronization = (getTransactionSynchronization() != SYNCHRONIZATION_NEVER);
-				DefaultTransactionStatus status = newTransactionStatus(
-						def, transaction, true, newSynchronization, debugEnabled, suspendedResources);
-				doBegin(transaction, def);
-				prepareSynchronization(status, def);
-				return status;
+				return startTransaction(def, transaction, debugEnabled, suspendedResources);
 			}
 			catch (RuntimeException | Error ex) {
 				resume(null, suspendedResources);
@@ -393,6 +388,20 @@ public abstract class AbstractPlatformTransactionManager implements PlatformTran
 		}
 	}
 
+	/**
+	 * Start a new transaction.
+	 */
+	private TransactionStatus startTransaction(TransactionDefinition definition, Object transaction,
+			boolean debugEnabled, @Nullable SuspendedResourcesHolder suspendedResources) {
+
+		boolean newSynchronization = (getTransactionSynchronization() != SYNCHRONIZATION_NEVER);
+		DefaultTransactionStatus status = newTransactionStatus(
+				definition, transaction, true, newSynchronization, debugEnabled, suspendedResources);
+		doBegin(transaction, definition);
+		prepareSynchronization(status, definition);
+		return status;
+	}
+
 	/**
 	 * Create a TransactionStatus for an existing transaction.
 	 */
@@ -422,12 +431,7 @@ public abstract class AbstractPlatformTransactionManager implements PlatformTran
 			}
 			SuspendedResourcesHolder suspendedResources = suspend(transaction);
 			try {
-				boolean newSynchronization = (getTransactionSynchronization() != SYNCHRONIZATION_NEVER);
-				DefaultTransactionStatus status = newTransactionStatus(
-						definition, transaction, true, newSynchronization, debugEnabled, suspendedResources);
-				doBegin(transaction, definition);
-				prepareSynchronization(status, definition);
-				return status;
+				return startTransaction(definition, transaction, debugEnabled, suspendedResources);
 			}
 			catch (RuntimeException | Error beginEx) {
 				resumeAfterBeginException(transaction, suspendedResources, beginEx);
@@ -457,12 +461,7 @@ public abstract class AbstractPlatformTransactionManager implements PlatformTran
 				// Nested transaction through nested begin and commit/rollback calls.
 				// Usually only for JTA: Spring synchronization might get activated here
 				// in case of a pre-existing JTA transaction.
-				boolean newSynchronization = (getTransactionSynchronization() != SYNCHRONIZATION_NEVER);
-				DefaultTransactionStatus status = newTransactionStatus(
-						definition, transaction, true, newSynchronization, debugEnabled, null);
-				doBegin(transaction, definition);
-				prepareSynchronization(status, definition);
-				return status;
+				return startTransaction(definition, transaction, debugEnabled, null);
 			}
 		}